diff --git a/include/mbedtls/x509.h b/include/mbedtls/x509.h
index 9f92ed6..bd1947e 100644
--- a/include/mbedtls/x509.h
+++ b/include/mbedtls/x509.h
@@ -294,7 +294,7 @@
     int type;                              /**< The SAN type, value of MBEDTLS_X509_SAN_XXX. */
     union {
         mbedtls_x509_san_other_name other_name; /**< The otherName supported type. */
-        mbedtls_x509_buf   unstructured_name; /**< The buffer for the unconstructed types. Only dnsName and uniformResourceIdentifier are currently supported */
+        mbedtls_x509_buf   unstructured_name; /**< The buffer for the unconstructed types. Only rfc822Name, dnsName and uniformResourceIdentifier are currently supported */
     }
     san; /**< A union of the supported SAN types */
 }
@@ -386,7 +386,7 @@
  *                 of the subject alternative name encoded in \p san_raw.
  *
  * \note           Supported GeneralName types, as defined in RFC 5280:
- *                 "dnsName", "uniformResourceIdentifier" and "hardware_module_name"
+ *                 "rfc822Name", "dnsName", "uniformResourceIdentifier" and "hardware_module_name"
  *                 of type "otherName", as defined in RFC 4108.
  *
  * \note           This function should be called on a single raw data of
diff --git a/library/x509.c b/library/x509.c
index b859df9..07a118f 100644
--- a/library/x509.c
+++ b/library/x509.c
@@ -1421,7 +1421,17 @@
 
             memcpy(&san->san.unstructured_name,
                    san_buf, sizeof(*san_buf));
+        }
+        break;
 
+        /*
+         * RFC822 Name
+         */
+        case (MBEDTLS_ASN1_CONTEXT_SPECIFIC | MBEDTLS_X509_SAN_RFC822_NAME):
+        {
+            memset(san, 0, sizeof(mbedtls_x509_subject_alternative_name));
+            san->type = MBEDTLS_X509_SAN_RFC822_NAME;
+            memcpy(&san->san.unstructured_name, san_buf, sizeof(*san_buf));
         }
         break;